Word · CEFR B1 · Frequency #4237
decrease
减少；下降；减少量
An amount by which something becomes smaller or is made smaller.
- 1.
An amount by which a quantity decreases or is decreased.
数量减少或被减少的量。
- 2.
A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting).
针数的减少,通常通过将要减少的针悬挂在另一个现有针上或与另一针一起编织来实现。
减针；数量减少或被减少的量。；针数的减少,通常通过将要减少的针悬挂在另一个现有针上或与另一针一起编织来实现。；减少；减少量
In use
The company reported a decrease in profits this quarter.
There has been a steady decrease in the population of the village over the years.
We observed a significant decrease in temperature after the storm.
Connections
Collocations
- a decrease in
- 在...方面的减少
- There has been a decrease in sales this quarter.本季度销售额有所下降。
- a significant decrease
- 显著减少
- The company reported a significant decrease in profits.该公司报告利润大幅下降。
- a slight decrease
- 略微减少
- There was a slight decrease in temperature overnight.夜间气温略有下降。
- a steady decrease
- 稳步减少
- We observed a steady decrease in the population of the species.我们观察到该物种的数量稳步减少。
- a decrease of
- 减少的幅度
- The decrease of 10% in revenue was unexpected.收入减少10%是出乎意料的。
- show a decrease
Learner notes
Memory Tip
decrease: de-表示向下，crease联想crease(折痕)，折痕向下压平即减少。
Context & Register
作为名词时，通常用于正式或半正式场合，如商业报告和科学研究，但在日常对话中也较常见。
Grammar Note
作为名词时，常与介词 in 连用，表示在某方面的减少。
Pronunciation & Spelling
All listed words end in '-ease' pronounced /iːs/, forming perfect rhymes with 'decrease' (noun).
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.